Abstract
This paper shows the possibilities of solving the Gardner problem of determining the lock-in range for multidimensional phase-locked loop models. Analytical estimates of the lock-in range for a third-order system are obtained for the first time by developing analogues of classical stability criteria for the cylindrical phase space.
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Notes
In the literature on PLL, the use of a zero pole is recommended for extending the pull-in range, while additional stable links are recommended for improving the filtering properties [8].
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This work was supported by the Russian Science Foundation, project no. 19-41-02002.
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Translated by I. Ruzanova
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Kuznetsov, N.V., Lobachev, M.Y., Yuldashev, M.V. et al. On the Gardner Problem for Phase-Locked Loops. Dokl. Math. 100, 568–570 (2019). https://doi.org/10.1134/S1064562419060218
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DOI: https://doi.org/10.1134/S1064562419060218